Re: arm64-net-install buster 10.2
TBH after the Rock64 / Pro64 and other RK3399 boards I think the Pi4
came around 6 months too late, A76 / Axx are just around the corne,
the dual hdmi ( micro/mini ? ) is a total waste.
Nige
On Mon, Feb 3, 2020 at 1:50 PM Gene Heskett <gheskett@shentel.net> wrote:
>
> On Monday 03 February 2020 11:34:41 Nigel Sollars wrote:
>
> > Perhaps you could leverage this from raspian,
>
> I have no "leveerage" with raspbian. They officially have zero support
> for a realtime kernel. 4 posts to their forum in threads related, over4
> days have not elicited a reply from anyone.
>
> I have no problems building kernels on the rpi4b as I two SSD'd mounted
> on sata-usb3 cables, so a full kernel bulld is under an hour in wall
> time. I also, because its only a 2G pi, have a 10G swap partition
> mounted, and the swapfile turned off to reduce pressure on the u-sd
> card.
>
> > https://lb.raspberrypi.org/forums/viewtopic.php?t=245908
> >
> > I dont have any experience with this one nor have hardware ( not a pi
> > fan ). More Pi4 SoC info came in with 5.4/5 anyhow so you would want
> > something recent to get it done.
>
> The pi-4b is a whole new critter worth looking at.
> > Nige
> >
> > On Mon, Feb 3, 2020 at 11:00 AM Lennart Sorensen
> >
> > <lsorense@csclub.uwaterloo.ca> wrote:
> > > On Mon, Feb 03, 2020 at 10:41:17AM -0500, Gene Heskett wrote:
> > > > Written to a 64GB card with dd, makes zero attempt to boot on
> > > > rp4b.
> > > >
> > > > Put presently running raspbian buster 10.2 card back in, boots up
> > > > normal.
> > > >
> > > > Suggestions?
> > >
> > > According to https://wiki.debian.org/RaspberryPi there is no support
> > > for the Pi4 in Debian's kernel yet (after all it has to be supported
> > > upstream before Debian will support it).
> It is supported upstream by any linux-rt kernel newer than 4.14 although
> 4.14's support for the mali gfx isn't quite fully baked until 4.19.y.
>
> I am actually running a
>
> Linux rpi4.coyote.den 4.19.71-rt24-v7l+ #1 SMP PREEMPT RT Thu Oct 10
> 15:22:22 EDT 2019 armv7l GNU/Linux
>
> right now, but a /boot/dts/overlays directory has apparently been removed
> from newer ones, and I'm trying to find a workaround, or make an arm64
> boot work and rebuild LinuxCNC to run on a 64 bit build. I'd settle for
> either scenario.
>
> > > Raspbian has no issues
> > > with using a patched kernel with stuff that isn't supported upstream
> > > yet as long as it makes Pi models work with it.
> > >
> > > Also the boot process for the 4 is completely different than the
> > > older models as far as I know.
>
> So it would appear Len. And I'll repeat, the original 10.0 netinstall
> Just Worked, and felt dead stable, but now a 10.2 of this buster doesn't
> even try to boot. The main diff is that there is now a pair of ssd's on
> sata adaptors plugged into the usb-3 ports with a total of 360G
> available as scratchpad workspaces.
> > >
> > > --
> > > Len Sorensen
>
> Thanks Len, for any enlightement.
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
--
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